------------[ cut here ]------------ WARNING: CPU: 1 PID: 21337 at net/mac80211/rate.c:53 rate_control_rate_init+0x64a/0x6e0 net/mac80211/rate.c:53 Modules linked in: CPU: 1 UID: 0 PID: 21337 Comm: syz.3.3475 Not tainted 6.16.0-syzkaller-08685-g260f6f4fda93 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:rate_control_rate_init+0x64a/0x6e0 net/mac80211/rate.c:53 Code: 82 01 00 00 20 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 d2 11 d8 f6 90 0f 0b 90 eb e1 e8 c7 11 d8 f6 90 <0f> 0b 90 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 90 00 00 00 RSP: 0018:ffffc9001ba2ef70 EFLAGS: 00010283 RAX: ffffffff8ae77b49 RBX: ffff888021380000 RCX: 0000000000080000 RDX: ffffc9000ef69000 RSI: 0000000000000336 RDI: 0000000000000337 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ae77663 R10: dffffc0000000000 R11: ffffed1004270031 R12: 1ffff1100427000a R13: ffff888022760e40 R14: 0000000000000001 R15: ffffffff8ae77663 FS: 0000000000000000(0000) GS:ffff888125d79000(0063) knlGS:00000000f501eb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000080001080 CR3: 00000000515be000 CR4: 00000000003526f0 Call Trace: rate_control_rate_init_all_links+0x109/0x1a0 net/mac80211/rate.c:86 sta_apply_auth_flags+0x1c2/0x400 net/mac80211/cfg.c:1838 sta_apply_parameters+0xe4b/0x15b0 net/mac80211/cfg.c:2210 ieee80211_add_station+0x424/0x6a0 net/mac80211/cfg.c:2276 rdev_add_station+0x105/0x290 net/wireless/rdev-ops.h:201 nl80211_new_station+0x1755/0x1b70 net/wireless/nl80211.c:8441 genl_family_rcv_msg_doit+0x215/0x300 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2552 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x82c/0x9e0 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:714 [inline] __sock_sendmsg+0x219/0x270 net/socket.c:729 ____sys_sendmsg+0x505/0x830 net/socket.c:2614 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2668 __sys_sendmsg+0x164/0x220 net/socket.c:2700 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xb6/0x2b0 arch/x86/entry/syscall_32.c:306 do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:331 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf702e539 Code: 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f501e55c EFLAGS: 00000206 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000080001080 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 4: 10 07 adc %al,(%rdi) 6: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi a: 10 08 adc %cl,(%rax) c: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 20: 00 51 52 add %dl,0x52(%rcx) 23: 55 push %rbp 24: 89 e5 mov %esp,%ebp 26: 0f 34 sysenter 28: cd 80 int $0x80 * 2a: 5d pop %rbp <-- trapping instruction 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 ret 2e: 90 nop 2f: 90 nop 30: 90 nop 31: 90 nop 32: 90 nop 33: 90 nop 34: 90 nop 35: 90 nop 36: 90 nop 37: 90 nop 38: 90 nop 39: 90 nop 3a: 90 nop 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop